7219125

素因数分解:

$3^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 80

約数和(自身を含む): 14496768

約数和(自身を除く): 7277643

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 31, 45, 69, 75, 81, 93, 115, 125, 135, 155, 207, 225, 279, 345, 375, 405, 465, 575, 621, 675, 713, 775, 837, 1035, 1125, 1395, 1725, 1863, 2025, 2139, 2325, 2511, 2875, 3105, 3375, 3565, 3875, 4185, 5175, 6417, 6975, 8625, 9315, 10125, 10695, 11625, 12555, 15525, 17825, 19251, 20925, 25875, 32085, 34875, 46575, 53475, 57753, 62775, 77625, 89125, 96255, 104625, 160425, 232875, 267375, 288765, 313875, 481275, 802125, 1443825, 2406375, 7219125]

約数ペア:

[(1, 7219125), (3, 2406375), (5, 1443825), (9, 802125), (15, 481275), (23, 313875), (25, 288765), (27, 267375), (31, 232875), (45, 160425), (69, 104625), (75, 96255), (81, 89125), (93, 77625), (115, 62775), (125, 57753), (135, 53475), (155, 46575), (207, 34875), (225, 32085), (279, 25875), (345, 20925), (375, 19251), (405, 17825), (465, 15525), (575, 12555), (621, 11625), (675, 10695), (713, 10125), (775, 9315), (837, 8625), (1035, 6975), (1125, 6417), (1395, 5175), (1725, 4185), (1863, 3875), (2025, 3565), (2139, 3375), (2325, 3105), (2511, 2875)]